+void Render::cloneProperties(Mlt::Properties &dest, Mlt::Properties &source)
+{
+ int count = source.count();
+ int i = 0;
+ for ( i = 0; i < count; i ++ )
+ {
+ char *value = source.get(i);
+ if ( value != NULL )
+ {
+ char *name = source.get_name( i );
+ if (name != NULL && name[0] != '_') dest.set(name, value);
+ }
+ }
+}